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Priority claimed from US519017Aexternal-prioritypatent/US3405123A/en
Application filed by Hoffmann La RochefiledCriticalHoffmann La Roche
Priority to NO232769ApriorityCriticalpatent/NO133891C/no
Publication of NO133891BpublicationCriticalpatent/NO133891B/no
Publication of NO133891CpublicationCriticalpatent/NO133891C/no
Process for producing new 1-phenyl-1,4-dihydro-3-amino-4-oxopyridazine derivatives and pharmaceutical compositions comprising such compounds as active ingredient